Home / 946,780.94-1,420,356.63-347,746.61

Finding the Fourth Proportional to 946,780.94, 1,420,356.63 and 347,746.61

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Solution

The fourth proportional to 946,780.94, 1,420,356.63 and 347,746.61 is: 521,687.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,780.94 : 1,420,356.63 = 347,746.61 : x
  2. Step 2: Convert to fraction form
    946,780.94/1,420,356.63 = 347,746.61/x
  3. Step 3: Cross multiply
    946,780.94x = 1,420,356.63 × 347,746.61
  4. Step 4: Simplify right side
    946,780.94x = 493,924,206,624.42
  5. Step 5: Solve for x
    x = 493,924,206,624.42/946,780.94
  6. Step 6: Final answer
    x = 521,687.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.